Copyright (c) 1996 Doug Rabson All rights reserved. This program is free software. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in...
NAMEVOP_FSYNC - flush file system buffers for a file
SYNOPSISIn sys/param.h In sys/vnode.h Ft int Fn VOP_FSYNC struct vnode *vp int waitfor struct thread *td
DESCRIPTIONThis call flushes any dirty file system buffers for the file. It is used to implement the sync(2) and fsync(2) system calls.
Its arguments are:
- Fa vp
- The vnode of the file.
- Fa waitfor
Whether the function should wait for I/O to complete.
Possible values are:
- Synchronously wait for I/O to complete.
- Start all I/O, but do not wait for it.
- Push data not written by file system syncer.
- Fa td
- The calling thread.
LOCKSThe file should be locked on entry.
RETURN VALUESZero is returned if the call is successful, otherwise an appropriate error code is returned.
- Bq Er ENOSPC
- The file system is full.
- Bq Er EDQUOT
- Quota exceeded.